Commit 600be30a authored by Jan Kara's avatar Jan Kara Committed by Theodore Ts'o

ext4: remove i_ioend_count

Remove counter of pending io ends as it is unused.
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 109811c2
...@@ -1024,13 +1024,8 @@ struct ext4_inode_info { ...@@ -1024,13 +1024,8 @@ struct ext4_inode_info {
* transaction reserved * transaction reserved
*/ */
struct list_head i_rsv_conversion_list; struct list_head i_rsv_conversion_list;
/*
* Completed IOs that need unwritten extents handling and don't have
* transaction reserved
*/
atomic_t i_ioend_count; /* Number of outstanding io_end structs */
atomic_t i_unwritten; /* Nr. of inflight conversions pending */
struct work_struct i_rsv_conversion_work; struct work_struct i_rsv_conversion_work;
atomic_t i_unwritten; /* Nr. of inflight conversions pending */
spinlock_t i_block_reservation_lock; spinlock_t i_block_reservation_lock;
......
...@@ -216,7 +216,6 @@ void ext4_evict_inode(struct inode *inode) ...@@ -216,7 +216,6 @@ void ext4_evict_inode(struct inode *inode)
} }
truncate_inode_pages_final(&inode->i_data); truncate_inode_pages_final(&inode->i_data);
WARN_ON(atomic_read(&EXT4_I(inode)->i_ioend_count));
goto no_delete; goto no_delete;
} }
...@@ -228,8 +227,6 @@ void ext4_evict_inode(struct inode *inode) ...@@ -228,8 +227,6 @@ void ext4_evict_inode(struct inode *inode)
ext4_begin_ordered_truncate(inode, 0); ext4_begin_ordered_truncate(inode, 0);
truncate_inode_pages_final(&inode->i_data); truncate_inode_pages_final(&inode->i_data);
WARN_ON(atomic_read(&EXT4_I(inode)->i_ioend_count));
/* /*
* Protect us against freezing - iput() caller didn't have to have any * Protect us against freezing - iput() caller didn't have to have any
* protection against it * protection against it
......
...@@ -128,9 +128,6 @@ static void ext4_release_io_end(ext4_io_end_t *io_end) ...@@ -128,9 +128,6 @@ static void ext4_release_io_end(ext4_io_end_t *io_end)
BUG_ON(io_end->flag & EXT4_IO_END_UNWRITTEN); BUG_ON(io_end->flag & EXT4_IO_END_UNWRITTEN);
WARN_ON(io_end->handle); WARN_ON(io_end->handle);
if (atomic_dec_and_test(&EXT4_I(io_end->inode)->i_ioend_count))
wake_up_all(ext4_ioend_wq(io_end->inode));
for (bio = io_end->bio; bio; bio = next_bio) { for (bio = io_end->bio; bio; bio = next_bio) {
next_bio = bio->bi_private; next_bio = bio->bi_private;
ext4_finish_bio(bio); ext4_finish_bio(bio);
...@@ -265,7 +262,6 @@ ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags) ...@@ -265,7 +262,6 @@ ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags)
{ {
ext4_io_end_t *io = kmem_cache_zalloc(io_end_cachep, flags); ext4_io_end_t *io = kmem_cache_zalloc(io_end_cachep, flags);
if (io) { if (io) {
atomic_inc(&EXT4_I(inode)->i_ioend_count);
io->inode = inode; io->inode = inode;
INIT_LIST_HEAD(&io->list); INIT_LIST_HEAD(&io->list);
atomic_set(&io->count, 1); atomic_set(&io->count, 1);
......
...@@ -942,7 +942,6 @@ static struct inode *ext4_alloc_inode(struct super_block *sb) ...@@ -942,7 +942,6 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
spin_lock_init(&ei->i_completed_io_lock); spin_lock_init(&ei->i_completed_io_lock);
ei->i_sync_tid = 0; ei->i_sync_tid = 0;
ei->i_datasync_tid = 0; ei->i_datasync_tid = 0;
atomic_set(&ei->i_ioend_count, 0);
atomic_set(&ei->i_unwritten, 0); atomic_set(&ei->i_unwritten, 0);
INIT_WORK(&ei->i_rsv_conversion_work, ext4_end_io_rsv_work); INIT_WORK(&ei->i_rsv_conversion_work, ext4_end_io_rsv_work);
#ifdef CONFIG_EXT4_FS_ENCRYPTION #ifdef CONFIG_EXT4_FS_ENCRYPTION
......
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